<script lang="ts" setup name="TopCategory">
import useStore from '@/store'
import { storeToRefs } from 'pinia';
import { watch, watchEffect } from 'vue';
import { useRoute } from 'vue-router'
import GoodsItems from './goods-items.vue';
const { category, home } = useStore()
const { topCategory } = storeToRefs(category)
const route = useRoute()
home.getBannerList()

watch(
  () => route.params.id,
  (value) => {
    if (route.fullPath === `/category/${value}`)
      category.getTopCategory(value as string)
  },
  {
    immediate: true,
  }
)
// 参数是回调函数 用到哪个变量就会监听哪个的变化 支持立即监听和深度监听
// watchEffect(()=>{
//   if (route.fullPath === `/category/${route.params.id}`)
//       category.getTopCategory(route.params.id as string)
// })
</script>
<template>
  <div class="top-category">
    <div class="container">
      <XtxBread>
        <XtxBreadItem to="/">首页</XtxBreadItem>
        <XtxBreadItem>{{ category.topCategory.name }}</XtxBreadItem>
      </XtxBread>
      <!-- 轮播图 -->
      <XtxCarousel :slides="home.bannerList" style="height: 500px" auto-play :duration="2000" />
      <!-- 所有二级分类 -->
      <div class="sub-list">
        <h3>全部分类</h3>
        <ul>
          <li v-for="item in topCategory.children" :key="item.id">
            <a href="javascript:;">
              <img :src="item.picture">
              <p>空调</p>
            </a>
          </li>
        </ul>
      </div>
      <!-- 分类关联商品 -->
      <div class="ref-goods" v-for="item in topCategory.children" :key="item.id">
        <div class="head">
          <h3>- {{item.name}} -</h3>
          <p class="tag">温暖柔软，品质之选</p>
          <XtxMore />
        </div>
        <div class="body">
          <GoodsItems v-for="i in item.goods" :key="i.id" :goods="i" />
        </div>
      </div>
    </div>
  </div>
</template>



<style lang="less" scoped>
.top-category {
  h3 {
    font-size: 28px;
    color: #666;
    font-weight: normal;
    text-align: center;
    line-height: 100px;
  }

  .sub-list {
    margin-top: 20px;
    background-color: #fff;

    ul {
      display: flex;
      padding: 0 32px;
      flex-wrap: wrap;

      li {
        width: 168px;
        height: 160px;

        a {
          text-align: center;
          display: block;
          font-size: 16px;

          img {
            width: 100px;
            height: 100px;
          }

          p {
            line-height: 40px;
          }

          &:hover {
            color: @xtxColor;
          }
        }
      }
    }
  }
}
 .ref-goods {
    background-color: #fff;
    margin-top: 20px;
    position: relative;
    .head {
      .xtx-more {
        position: absolute;
        top: 20px;
        right: 20px;
      }
      .tag {
        text-align: center;
        color: #999;
        font-size: 20px;
        position: relative;
        top: -20px;
      }
    }
    .body {
      display: flex;
      justify-content: flex-start;
      flex-wrap: wrap;
      padding: 0 65px 30px;
    }
  }
</style>